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schepotkina [342]
3 years ago
12

Which measurement is a reasonable height for a child? Explain your choice

Mathematics
2 answers:
Helen [10]3 years ago
6 0
A for sure
If you multiple 1.39 times 10 squared you get 139cm which is about 54in.


kykrilka [37]3 years ago
5 0

Answer:

A

Step-by-step explanation:

because a is 139cm and child is 139 cm not 830000 or not 1.48

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( 10.2 -1)+(5.2 48 -8)
never [62]

Answer:35

Step-by-step explanation:

6 0
4 years ago
a 15 wire is tied from the top of a pole to a stake in the ground. if the stake is 5 ft from the base of the pole find the heigh
Ainat [17]

Imagine this pole of height h sticking out of the ground.  A wire of length 15 feet connects the top of the pole to a stake in the ground which is located 5 feet from the base of the pole.  This arrangement creates a right triangle with legs h (the height of the pole), 5 ft (distance of bottom of pole from stake) and hypotenuse 15 ft.  

We can find the height of the pole (h) using either trig or the Pythagorean Theorem.  If we use the P. T., then h^2 + 5^2 = 15^2.

This results in h^2 + 5^2 = 15^2, or h^2 + 25 = 225, and so:

h^2 = 200.  Thus, h = +√200 = +10√2.

The height of the pole is 10√2 ft, or approx. 14.14 ft.

5 0
3 years ago
S=4lw+2wh; s=200, l=9, w=5
goldfiish [28.3K]

Answer:

2

Step-by-step explanation:

200=4(5)(9)+2(5)h

Simplify:

200=20(9)+10h

200=180+10h

Subtract 180 on both sides:

20=10h

Divide by 10:

h=2

6 0
4 years ago
I need help with this real quick guys!
geniusboy [140]
The answer is 17/20.
You are welcome

5 0
3 years ago
What is 9-(6-68-+9)1-2
Zinaida [17]

Answer:

-62

Step-by-step explanation:

using bodmas (brackets,other,division, multiplication, addition and subtraction)

starting with brackets(6-68+9)

68+9 because adding comes before subtracting is 77

now 6-77 is -71

now multiplication 1-2(-71)

which is -1(-71) which is 71

now the 9 - 71 which is -62

4 0
3 years ago
Read 2 more answers
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